package xian.woniuxy.x_boxing_unboxing;

import com.sun.java.swing.plaf.windows.resources.windows;

public class App {
    public static void main(String[] args) {
        Integer i = 5; // 等价于 Integer i = new Integer(5);

        int i2 = new Integer(5);   // int = 5;



    }
}
